#!/bin/bash - 
#===============================================================================
#
#          FILE:  ex15-16.sh
# 
#         USAGE:  ./ex15-16.sh 
# 
#   DESCRIPTION:  set test
# 
#       OPTIONS:  ---
#  REQUIREMENTS:  ---
#          BUGS:  ---
#         NOTES:  ---
#        AUTHOR: bucunzai (), freecityer@gmail.com
#       COMPANY: FreeCity
#       CREATED: 2011年02月19日 22时25分16秒 CST
#      REVISION:  ---
#===============================================================================

set -o nounset                              # Treat unset variables as an error

echo 
echo "argument #1 = $1"
echo "argument #2 = $2"
echo "argument #3 = $3"

echo +++++
echo $_
echo $-
echo

set `uname -a`

echo "after set \`uname -a\'"
echo "argument #1 = $1"
echo "argument #2 = $2"
echo "argument #3 = $3"
